吴裕雄--天生自然 JAVASCRIPT开发学习：Array（数组） 对象
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <script>
var i;
var mycars = new Array();
mycars[0] = "Saab";
mycars[1] = "Volvo";
mycars[2] = "BMW";
for (i=0;i<mycars.length;i++){
document.write(mycars[i] + "<br />");
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮创建一个数组,调用 ucase（）方法, 并显示结果。</p>
<button onclick="myFunction()">点我</button>
<script>
Array.prototype.myUcase=function(){
for (i=0;i<this.length;i++){
this[i]=this[i].toUpperCase();
}
}
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.myUcase();
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <script>
var hege = ["Cecilie", "Lone"];
var stale = ["Emil", "Tobias", "Linus"];
var children = hege.concat(stale);
document.write(children);
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <script>
var parents = ["Jani", "Tove"];
var brothers = ["Stale", "Kai Jim", "Borge"];
var children = ["Cecilie", "Lone"];
var family = parents.concat(brothers, children);
document.write(family);
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">点击按钮将数组作为字符串输出。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var x=document.getElementById("demo");
x.innerHTML=fruits.join();
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮删除数组的最后一个元素。</p>
<button onclick="myFunction()">点我</button>
<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction(){
fruits.pop();
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮给数组添加新的元素。</p>
<button onclick="myFunction()">点我</button>
<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction(){
fruits.push("Kiwi")
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮将数组反转排序。</p>
<button onclick="myFunction()">点我</button>
<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction(){
fruits.reverse();
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮删除数组的第一个元素。</p>
<p id="demo2"></p>
<button onclick="myFunction()">点我</button>
<script>
var fruits = ["Banana", "Orange", "Apple", "Mango"];
function myFunction(){
var delell = fruits.shift();
var x=document.getElementById("demo");
x.innerHTML= '删除后数组为：' + fruits;
document.getElementById("demo2").innerHTML= '删除的元素是：' + delell;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">点击按钮截取数组下标 1 到 2 的元素。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var fruits = ["Banana", "Orange", "Lemon", "Apple", "Mango"];
var citrus = fruits.slice(1,3);
var x=document.getElementById("demo");
x.innerHTML=citrus;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮升序排列数组。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.sort();
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮升序排列数组。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var points = [40,100,1,5,25,10];
points.sort(function(a,b){return a-b});
var x=document.getElementById("demo");
x.innerHTML=points;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮降序排列数组。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var points = [40,100,1,5,25,10];
points.sort(function(a,b){return b-a});
var x=document.getElementById("demo");
x.innerHTML=points;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">点击按钮向数组添加元素。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2,0,"Lemon","Kiwi");
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">点击按钮将数组转为字符串并返回。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
var str = fruits.toString();
var x=document.getElementById("demo");
x.innerHTML= str;
}
</script> </body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body> <p id="demo">单击按钮在数组中插入元素。</p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction(){
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.unshift("Lemon","Pineapple");
var x=document.getElementById("demo");
x.innerHTML=fruits;
}
</script>
<p><b>注意:</b> unshift()方法不能用于 Internet Explorer 8 之前的版本，插入的值将被返回成<em> undefined </em>。</p> </body>
</html>
吴裕雄--天生自然 JAVASCRIPT开发学习：Array（数组） 对象的更多相关文章
- 吴裕雄--天生自然 JAVASCRIPT开发学习：RegExp 对象
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：Number 对象
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：Date（日期） 对象
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：对象 实例（2）
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：JavaScript 对象 实例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：条件语句
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：对象
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习：数据类型
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
- 吴裕雄--天生自然 JAVASCRIPT开发学习
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> ...
随机推荐
- leeetcode1171 Remove Zero Sum Consecutive Nodes from Linked List
""" Given the head of a linked list, we repeatedly delete consecutive sequences of no ...
- Hbase排错
1.执行MR任务报Error: java.lang.RuntimeException: PipeMapRed.waitOutputThreads():?subprocess failed with c ...
- P1055 集体照
P1055 集体照 转跳点:
- 洛谷P1002——过河卒
又是洛谷题,要不是有小姐姐不会,我才不想动脑子.先贴一下题目地址https://www.luogu.org/problem/P1002 再贴一下题目: 我们读一下题目,这可不比学校的**算法题,读完一 ...
- 云时代架构阅读笔记九——web应用存在的问题及解决办法
web应用通常存在的10大安全问题 1.SQL注入 拼接的SQL字符串改变了设计者原来的意图,执行了如泄露.改变数据等操作,甚至控制数据库服务器, SQL Injection与Command Inje ...
- 160-PHP 文本替换函数str_replace（一）
<?php $str='Hello world!'; //定义源字符串 $search='o'; //定义将被替换的字符 $replace='O'; //定义替换的字符串 $res=str_re ...
- Git提交出现error: src refspec master does not match any的问题
在本地与远程分别新建了一个仓库并且关联后,想要把本地的文件提交到github上面, 输入下方命令后没有成功,而是出现了报错:error: src refspec master does not mat ...
- python进阶—OpenCV之常用图像操作函数说明(转)
文章目录cv2.thresholdcv2.bitwise_andcv2.bitwise_orcv2.bitwise_notcv2.inRangecv2.resizecv2.adaptiveThresh ...
- NumPy 数组切片
章节 Numpy 介绍 Numpy 安装 NumPy ndarray NumPy 数据类型 NumPy 数组创建 NumPy 基于已有数据创建数组 NumPy 基于数值区间创建数组 NumPy 数组切 ...
- oracle问题：char类型数据查询不到
select distinct id,name from test_table b where b.ID='001' ; id为char字段类型,使用该语句查询不出数据. 解决方法:加trim().改 ...